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    Metasys NCM problem

    Lost my n2 to several devices due to construction issues. Most of the devices off line are being replaced and were in buildings being remodeled but were not taken off the n2 and were just cut...
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    Is there a website that would have that info?

    Is there a website that would have that info?
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    Torque values on York Z style compressor

    Does anyone know? These bolts are the ones( 14) that hold down the terminal block. Set them at 25 pounds. Compressor is a ZB4K1 in a YORK M-N YCUZ33 condensing unit. Appreciate any help. ...
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    Thanks!

    Thanks!
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    Battery in DX-9100

    I have a DX that has the battery icon blinking on it. Will a weak battery lead to control issues?
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    Only time will tell but all is well for now....

    Only time will tell but all is well for now. Thanks
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    I never read negative voltages at any of the...

    I never read negative voltages at any of the devices or the n2. I put the DX in late on Friday and it solved the problem. I will post a follow up on Monday.

    chas_md, when you say problems...
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    Nothing was added to the DX expansion bus. I...

    Nothing was added to the DX expansion bus. I didn't focus on the DX because I could grab it with CVT Pro. I should have because it's the device that's ahead of the UNT's.

    Thank you steves4 and...
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    This is an existing Network so address issues and...

    This is an existing Network so address issues and new devices would not apply. I isolated it today to a DX on that segment. Left the DX off the N2 and my 4 UNT's are back. Going to replace the DX...
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    Metasys NCM Problem

    Looking for any ideas to check the problem I'm having. 4 of my UNT's are causing my NC-M-N 350-701 REV.G to drop most of the devices on the N2 and others dropping in and out. I can see the other...
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    Daisy chained the 2 stats and cut out the excess...

    Daisy chained the 2 stats and cut out the excess wiring and that took care of the problem. Thanks for the help.
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    Metasys NCM Problem

    We have an older version with NCM's. The problem it seems is that its has too long of a run if you consider both directions it runs and by that I mean 1 loop goes to 2 buildings and the other to 3....
  13. Thread: Modularm 75

    by rleo49
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    1,874

    Thanks Mojo. The place the sensor is located is...

    Thanks Mojo. The place the sensor is located is wrong I think. It picks up heat from the defrost heaters because it's located directly behind the evaporator. I understand why you want the temp from...
  14. Thread: Modularm 75

    by rleo49
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    1,874

    I'll do that thanks.

    I'll do that thanks.
  15. Thread: Modularm 75

    by rleo49
    Replies
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    1,874

    Modularm 75

    Has anyone worked with one of these. I don't have any literature on it and what I need to know is how to set the alarm setpoints. It's on a walk in freezer that has the setpoint at 58 degrees which...
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    I noticed that and subtracted the offset. The...

    I noticed that and subtracted the offset. The warm cool adjust does change when manual setpoint is adjusted. Just seems odd.
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    Is it unusual for the warm/cool adjust to be at...

    Is it unusual for the warm/cool adjust to be at -0.0?
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    That took care of it, thanks.

    That took care of it, thanks.
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    Found out from Warren that installer must have...

    Found out from Warren that installer must have the stages reversed. The problem is that they are 40 units wired like this and have been that way for 7 years. My supervisor is not convinced saying...
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    I'm going to check with the manufacturer today. I...

    I'm going to check with the manufacturer today. I will post up tonite. Thanks for the reply.
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    Warren Electric Control Question

    Looking for opinions as to why a 2 step control system with 3 circuits would have the first stage energizing a contactor that does not provide any heat until the second stage comes in making all 3...
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    Warren Electric Control Question

    Posted twice
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    I replaced the rj45 on the controller but not on...

    I replaced the rj45 on the controller but not on the sensor. I'll do that on Monday, thanks.
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    JCI's TE67NP Sensors

    :confused:Having a recurring problem with sensors reading excessively high causing over-cooling of space. At first I thought it was a bad sensor, so I replaced it but then it did it again about a...
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    I found the same thing and thanks for your help....

    I found the same thing and thanks for your help. Any ideas as to who or how your controller had the points in override? It looks like it's possible for the controller to be in override and it not...
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